<template>
  <div class="app-container">
    <header class="mui-bar mui-bar-nav">
      <span @tab="goBack" v-show="flag">
        <a class="mui-action-back mui-icon mui-icon-left-nav mui-pull-left"></a>
      </span>
      <h1 class="mui-title">第一个Vue项目</h1>
    </header>
    <!-- 这是中间路由区域 -->
    <transition>
      <router-view></router-view>
    </transition>
    <!-- 底部tabbar区域 -->
    <nav class="mui-bar mui-bar-tab">
      <router-link class="mui-tab-item-ll" to="/home">
        <span class="mui-icon mui-icon-home"></span>
        <span class="mui-tab-label">首页</span>
      </router-link>
      <router-link class="mui-tab-item-ll" to="/member">
        <span class="mui-icon mui-icon-contact"></span>
        <span class="mui-tab-label">会员</span>
      </router-link>
      <router-link class="mui-tab-item-ll" to="/shopcar">
        <span class="mui-icon mui-icon-extra mui-icon-extra-cart">
          
          <span class="mui-badge" id="shop">{{ allCount }}</span>
        </span>
        <span class="mui-tab-label">购物车</span>
      </router-link>
      <router-link class="mui-tab-item-ll" to="/search">
        <span class="mui-icon mui-icon-search"></span>
        <span class="mui-tab-label">搜索</span>
      </router-link>
    </nav>
  </div>
</template>
<script>
import { mapGetters } from "vuex";
export default {
  data() {
    return {
      flag: false,
    };
  },
  created() {
    //  console.log(this.$route);
    this.flag = this.$route.path === "/home" ? false : true;
  },
  methods: {
    goBack() {
      //点击后退
      this.$router.go(-1);
    }
  },
  computed : {
    ...mapGetters(['allCount'])
  },
  watch: {
    "$route.path": function(newVal, oldVal) {
      if (newVal === "/home") {
        this.flag = false;
      } else {
        this.flag = true;
      }
    }
  }
};
</script>
<style lang="scss" scoped>
* {
  touch-action: none;
}
.is-fixed {
  z-index: 99;
}
.app-container {
  overflow-x: hidden;
}

.v-enter {
  opacity: 0;
  transform: translateX(100%);
}

.v-leave-to {
  opacity: 0;
  transform: translateX(-100%);
  position: absolute;
}

.v-enter-active,
.v-leave-active {
  transition: all 0.5s ease;
}
.mui-bar-tab .mui-tab-item-ll {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #929292;
}
.mui-bar-tab .mui-tab-item-ll .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
}
.mui-bar-tab .mui-tab-item-ll .mui-icon~.mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
}
.mui-bar-tab .mui-tab-item-ll .mui-icon ~ .mui-tab-label[data-v-7ba5bd90] {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
}
</style>
